package com.ruoyi.system.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.ruoyi.system.domain.SysStudent;
import com.ruoyi.system.domain.dto.BarChartDto;
import org.apache.ibatis.annotations.MapKey;
import org.springframework.stereotype.Repository;

import java.util.List;
import java.util.Map;

/**
 * ClassName: SysStudentMapper
 * Package: com.ruoyi.system.mapper
 * Description: 学生信息Mapper接口(mybatis-plus)
 *
 * @Author: blw
 * @Create: 2023/11/16 - 14:13
 * @Version: v1.0
 */
@Repository
public interface SysStudentMapper extends BaseMapper<SysStudent> {

    /**
     * 查询柱状图所需数据
     * @return 返回的聚合图表数据
     */
    public List<BarChartDto> queryBarChartList();
}
